Impatiens parviflora DC.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - A Eurasian sp. with yellow (and red-dotted) fls 8–13 mm, the short spur prolonged straight back from the saccate sep, is sparingly intr. in N.S. and P.E.I.